X-Git-Url: https://git.r.bdr.sh/rbdr/mobius/blobdiff_plain/df2735b25a21d839746be31b43edb9e348086b0a..46b48603ea0e69aab8084a3ce32b31995b31b09c:/hotline/transfer.go?ds=sidebyside diff --git a/hotline/transfer.go b/hotline/transfer.go index fa431ce..7333197 100644 --- a/hotline/transfer.go +++ b/hotline/transfer.go @@ -1,9 +1,11 @@ package hotline import ( + "bufio" "bytes" "encoding/binary" "errors" + "io" ) type transfer struct { @@ -26,3 +28,73 @@ func (tf *transfer) Write(b []byte) (int, error) { return len(b), nil } + +const fileCopyBufSize = 4096 + +func receiveFile(r io.Reader, targetFile, resForkFile, infoFork io.Writer) error { + var ffo flattenedFileObject + if _, err := ffo.ReadFrom(r); err != nil { + return err + } + + // Write the information fork + _, err := infoFork.Write(ffo.FlatFileInformationFork.MarshalBinary()) + if err != nil { + return err + } + + // read and write the data fork + bw := bufio.NewWriterSize(targetFile, fileCopyBufSize) + if _, err = io.CopyN(bw, r, ffo.dataSize()); err != nil { + return err + } + if err := bw.Flush(); err != nil { + return err + } + + if ffo.FlatFileHeader.ForkCount == [2]byte{0, 3} { + if err := binary.Read(r, binary.BigEndian, &ffo.FlatFileResForkHeader); err != nil { + return err + } + + bw = bufio.NewWriterSize(resForkFile, fileCopyBufSize) + _, err = io.CopyN(resForkFile, r, ffo.rsrcSize()) + if err != nil { + return err + } + if err := bw.Flush(); err != nil { + return err + } + } + return nil +} + +func sendFile(w io.Writer, r io.Reader, offset int) (err error) { + br := bufio.NewReader(r) + if _, err := br.Discard(offset); err != nil { + return err + } + + rSendBuffer := make([]byte, 1024) + for { + var bytesRead int + + if bytesRead, err = br.Read(rSendBuffer); err == io.EOF { + if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil { + return err + } + return nil + } + if err != nil { + return err + } + // totalSent += int64(bytesRead) + + // fileTransfer.BytesSent += bytesRead + + if _, err := w.Write(rSendBuffer[:bytesRead]); err != nil { + return err + } + } + +}